Not your average calculator site. While Calculate This! does provide standard calculators, there are even more calculators that you probably didn't know you even needed.

This handy kitchen tool will help you multiply or divide your favorite recipes. You can double a recipe, reduce it by 25%, or by any value you need for up to 10 ingredients. |
If you're trying to figure out how much drywall (or sheetrock, backerboard, etc) you'll need for a project this calculator will give you an estimated breakdown of the supplies you might need. It will also provide... more |

If you're having folks over for dinner and serving rice this calculator will help you figure out how much rice you'll need to prepare, both cooked and uncooked amounts. The calculator will help you with figuring out the... more |
Making popcorn for movie night snack or other get-together and not sure how much popcorn to pop for your guests, or how many bags of pre-popped popcorn to buy? This calculator will help you decide how much popcorn to... more |

If you're having folks over for dinner and serving mashed potatoes, this calculator will help you figure out how many potatoes you'll need to prepare. Most people eat about 6 ounces per side dish, but mashed potatoes are... more |
This construction and carpentry fraction calculator takes the hassle out of working with two fractions, including whole numbers. It will perform addition and subtraction on two fractions for you. It also reduces the... more |

Throwing a party, New Year's Eve, a wedding reception, fundraiser, or other event and need to know how much champagne to buy for the toast? You'll get an estimate of how many bottles of champagne to buy using this... more |
Throwing a party, wedding reception, fundraiser, or other event and need to know how much wine to buy? You'll get an estimate of how many bottles of wine to buy using this calculator. A 2013 Gallup poll indicated that... more |

Not sure how many chicken wings to make or buy as appetizers for your next get together? This calculator helps you determine both number of wings to buy (if you're ordering out) or how many pounds of wings to buy (if you... more |
Planning cupcakes for a birthday, wedding or classroom party? Because of their convenient size, guests enjoy cupcakes as much as appetizers and... more |

Are you responsible for dessert and need to know how many cookies to make for an event? Perhaps you're having a cookie table or cookie bar at your wedding reception or family reunion? Because of their small size, guests... more |
How long should you cook your turkey? How long should you thaw your turkey before cooking it? This calculator will provide a number of values for several different cooking methods and temperatures, as well as thawing.... more |

How much should (or does) a website cost? This website design quote calculator was developed to provide a basic overview of what quotes you might receive to create your website (tiered by contractor rates). It provides... more |
Do you need to calculate how much turkey, sides and drinks to buy, cook and serve for your Thanksgiving Dinner guests? Well, that's easy; just use this calculator. Just plug in the number of guests and you'll get a... more |

Are you planning a cocktail party, celebration or reception and need to know how much alcohol to buy and what supplies to have on hand? You'll get an estimate of how much and what to stock by using this calculator, which... more |
Trying to figure out how much water you should have on hand as you prepare for a hurricane or other disaster? According to FEMA, you should store at least a gallon a day per person for a 3 day period in disaster... more |

Throwing a party and need to know how much beer to buy? You'll get an estimate of how many cans of beer to buy using this calculator. The general rule of thumb for serving alcoholic beverages is to expect your guests to... more |
A keg in the US is a 1/2 barrel keg. If a barrel of beer is 31 gallons, a keg would have 15 1/2 gallons (1,984 ounces) of beer and a pony keg (1/4 barrel) holds 7.5 gallons (960 ounces) of beer. If you are... more |

Calculate how far away a lightning strike is by counting the number of seconds from when you initially saw the lightning flash until you heard the lightning strike. A typical thunderstorm is about 15 miles in diameter... more |
Need to know how much to tip? This tool will help you figure out how much to tip based on the bill total. It even figures out how much each person owes if you're splitting the bill. |